It takes you 90 minutes to wash 3/4 of your windows
Multiply both numbers by 4.
It takes you 360 minutes to wash 3 of your windows.
Divide both numbers by 3.
It takes you 120 minutes to wash 1 of your windows.
120 minutes = 2 hours.
It will take you 2 hours to wash all the windows.
3 divided by 8 is .375
14 divided by .375 is 37.3 repeating
and the fraction for that is 112/3
This is the isosceles right triangle, the diagonal of a square, the thing that so upset the Pythagoreans. The two sides and diagonal of a square are in ratio
so we get

We could have also gotten this using Trig:


Or by recognizing u=v because remaining angle is 45 so this must be isosceles so



19x-15 = 15x -7
4x = 8
x =2
19(2) -15 = 23
15(2) -7 = 23
Answer:
THe y intercept is 30 and it represents the registration fee
Step-by-step explanation: